Dirty Dames NAMBA's Women's MTB Programme in Niseko
Dirty Dames is NAMBA's women's mountain biking programme in the Niseko area. Since launching in 2024, over 200 women have joined our rides, skills sessions, and community events.
What is Dirty Dames
A place for women to ride together, pick up skills, and build confidence on the trails. Whether it's your first time on a mountain bike or you want a faster group, Dirty Dames is for you.
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Group rides
Throughout the season, June to October. -
Skills sessions
For beginners and intermediate riders. -
Social events
Community building and connection off the bike. -
Open to all
All women, all abilities, all ages. -
Free to join
No membership or registration fee required.
Why it matters
Mountain biking has historically been male-dominated, especially in Japan. Dirty Dames is changing that in Niseko, with a programme built for women across all abilities and ages.
200+ riders
Have joined since the programme launched in 2024.
A full programme
Group rides, skills sessions, and socials every season.
Built for inclusion
Part of NAMBA's commitment to making the sport welcoming for everyone.
New: Dirty Dames tee
A hand-dyed tie-dye t-shirt with the Dirty Dames graffiti logo embroidered on the chest. Real tie-dye, so every shirt is one of a kind. Every sale goes back into NAMBA's trails and the Dirty Dames programme.
Get involved
Follow @dirtydamesniseko on Instagram for upcoming Dirty Dames rides and events, or check our events page.
